| San Marino to Cadiz | 5,874.51 mi (9,454.11 km) |
| San Marino to Calafell | 5,976.53 mi (9,618.29 km) |
| San Marino to Calahorra | 5,791.15 mi (9,319.96 km) |
| San Marino to Calasparra | 5,989.20 mi (9,638.69 km) |
| San Marino to Calatayud | 5,847.68 mi (9,410.92 km) |
| San Marino to Caldas de Montbuy | 5,978.01 mi (9,620.68 km) |
| San Marino to Caldas de Reyes | 5,515.71 mi (8,876.68 km) |
| San Marino to Calella | 5,997.11 mi (9,651.41 km) |
| San Marino to Callosa de Segura | 6,027.19 mi (9,699.83 km) |
| San Marino to Calpe | 6,039.38 mi (9,719.45 km) |
| San Marino to Calvia | 6,090.62 mi (9,801.91 km) |
| San Marino to Camas | 5,847.61 mi (9,410.81 km) |
| San Marino to Cambados | 5,513.51 mi (8,873.13 km) |
| San Marino to Cambre | 5,499.29 mi (8,850.25 km) |
| San Marino to Cambrils | 5,963.62 mi (9,597.52 km) |
